Picture above is an example of numerical calculation analogy ElGamal. Clark Kent was originally the public key (y), after he chose a private key is (x). Count y can be read in addition chaining post in this blog. after that Clark tells Lex Luthor key public.
Lex Luthor will send a character 'A' to Clark. Knowing Clark's public key and private key without knowing the property of Clark, he calculates chiperteks (a, b). ASCII characters with a code and b is sent to Clark. Clark chiperteks receive it. ago he was doing decryption by using a and b. plainteks that is' A ', the same as you want to send Lex Luthor
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